
21
PROBLEM CAUSE REMEDY
Does not run, No power to Check power line supply voltage.
indicator light off. machine. Plug in line cord rmly.
Does not run, Wiring shorts. Disconnect machine and
indicator light off. examine internally;
rewire at fault.
Circuit breaker
tripped. If none found, throw direction
switch to “OFF”, reset breaker
and plug in:
Shorted motor. If breaker does not trip, replace
drive unit.
Faulty speed If breaker trips again, replace
control board. control board.
(OR)
Burned out
transformer. Replace transformer.
Does not run, Bad connection. Check wiring connections,
indicator light on. 12 VAC should appear
across secondary of transformer.
Tighten terminal screws on
speed control board.
Faulty speed If DC Volts = 0 across leads to
control board. motor; replace control board.
Unit runs, Faulty speed Replace control board.
but no control control board. (Check connection rst).
over speed.
NOTE: Make sure unit is plugged into correct voltage,
(120 VAC, 240 VAC, 42 VAC) corresponding to Model No. rating.
12 VAC should appear across secondary of transformer in all
GO-FER III Drive Units.
TROUBLESHOOTING GUIDE
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